WRB

Financial Services

W. R. Berkley Corporation

$68.92+0.22 (+0.32%)

Prev Close

$68.70

Open

$69.44

High

$69.75

Low

$68.86

Volume

742.1K

Market Cap

$26.82B

P/E

15.49

Div Yield

—

Over the past 12 months, insider activity at W. R. Berkley Corporation (WRB) has been dominated by buying, with 17 insider purchases totaling $572.45M and 6 insider sales totaling $844.6K. The most recent insider transaction was by MITSUI SUMITOMO INSURANCE CO LTD (10 percent owner), who purchased $37.49M worth of shares on Mar 3, 2026. W. R. Berkley Corporation operates in the Financial Services sector, within the Insurance - Property & Casualty industry, with a market cap of $26.82B.

Buys (12M)

$572.45M

Sells (12M)

$844.6K

Net Activity

Net Buyer

$571.61M

Active Insiders

last 12 mo

WRB Price Chart

WRB Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 3, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	516,352	$72.61	$37.49M	58,780,400
Feb 27, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	300,000	$71.65	$21.49M	58,522,300
Feb 25, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	553,654	$71.13	$39.38M	58,222,300
Feb 20, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	505,582	$70.70	$35.74M	57,668,600
Feb 18, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	566,386	$70.92	$40.17M	57,163,000
Feb 13, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	40,000	$70.93	$2.84M	56,596,700
Feb 11, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	97,996	$69.68	$6.83M	56,556,700
Feb 6, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	40,000	$70.88	$2.84M	56,458,700
Feb 4, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	315,221	$68.05	$21.45M	56,418,700
Jan 30, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	485,000	$68.22	$33.09M	56,103,400
Jan 28, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	1,028,931	$67.35	$69.30M	55,618,400
Jan 23, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	698,000	$67.19	$46.90M	54,589,500
Jan 21, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	630,000	$67.64	$42.61M	53,891,500
Jan 16, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	535,000	$68.49	$36.64M	53,261,500
Jan 14, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	811,041	$68.58	$55.62M	52,726,500
Jan 9, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	470,000	$69.45	$32.64M	51,915,500
Jan 7, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	681,218	$69.61	$47.42M	51,445,500
Aug 19, 2025↗	Baio Richard Mark	EVP & CFO	Sell	744	$71.23	$53.0K	0
Aug 19, 2025↗	BERKLEY WILLIAM R	Executive Chairman	Sell	4,277	$71.23	$304.7K	0
Aug 19, 2025↗	BERKLEY WILLIAM R JR	President and CEO	Sell	4,696	$71.24	$334.5K	0
Aug 19, 2025↗	Sgaglione Lucille T	EVP	Sell	717	$71.24	$51.1K	0
Aug 19, 2025↗	SHIEL JAMES G	EVP - Investments	Sell	744	$71.23	$53.0K	0
Aug 19, 2025↗	Welt Philip S	EVP & Secretary	Sell	678	$71.23	$48.3K	0

WRB Insider Buying Activity

The following table shows recent insider purchases of W. R. Berkley Corporation (WRB) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 3, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	516,352	$72.61	$37.49M	58,780,400
Feb 27, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	300,000	$71.65	$21.49M	58,522,300
Feb 25, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	553,654	$71.13	$39.38M	58,222,300
Feb 20, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	505,582	$70.70	$35.74M	57,668,600
Feb 18, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	566,386	$70.92	$40.17M	57,163,000
Feb 13, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	40,000	$70.93	$2.84M	56,596,700
Feb 11, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	97,996	$69.68	$6.83M	56,556,700
Feb 6, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	40,000	$70.88	$2.84M	56,458,700
Feb 4, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	315,221	$68.05	$21.45M	56,418,700
Jan 30, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	485,000	$68.22	$33.09M	56,103,400
Jan 28, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	1,028,931	$67.35	$69.30M	55,618,400
Jan 23, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	698,000	$67.19	$46.90M	54,589,500
Jan 21, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	630,000	$67.64	$42.61M	53,891,500
Jan 16, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	535,000	$68.49	$36.64M	53,261,500
Jan 14, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	811,041	$68.58	$55.62M	52,726,500
Jan 9, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	470,000	$69.45	$32.64M	51,915,500
Jan 7, 2026↗	MITSUI SUMITOMO INSURANCE CO LTD	10 percent owner	Buy	681,218	$69.61	$47.42M	51,445,500

WRB Insider Selling Activity

The following table shows recent insider sales of W. R. Berkley Corporation (WRB) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Aug 19, 2025↗	Baio Richard Mark	EVP & CFO	Sell	744	$71.23	$53.0K
Aug 19, 2025↗	BERKLEY WILLIAM R	Executive Chairman	Sell	4,277	$71.23	$304.7K
Aug 19, 2025↗	BERKLEY WILLIAM R JR	President and CEO	Sell	4,696	$71.24	$334.5K
Aug 19, 2025↗	Sgaglione Lucille T	EVP	Sell	717	$71.24	$51.1K
Aug 19, 2025↗	SHIEL JAMES G	EVP - Investments	Sell	744	$71.23	$53.0K
Aug 19, 2025↗	Welt Philip S	EVP & Secretary	Sell	678	$71.23	$48.3K